Merge pull request #61 from inovait/json_fallback

test(retrofit): Add JsonFallback test

retrofit/src/jvmTest/kotlin/si/inova/kotlinova/retrofit/moshi/JsonFallbackTest.kt

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2024 INOVA IT d.o.o.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy,
+ * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
+ *  is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ *   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+package si.inova.kotlinova.retrofit.moshi
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+import com.squareup.moshi.Moshi
+import io.kotest.matchers.shouldBe
+import kotlinx.coroutines.test.runTest
+import org.junit.jupiter.api.Test
+
+internal class JsonFallbackTest {
+
+   private val moshi = Moshi.Builder().addEnumAdapter<FakeLevel>().build()
+
+   @Test
+   internal fun `Parse json as correct enum`() = runTest {
+      var json = "\"low\""
+      var level = moshi.fromJson<FakeLevel>(json)
+      level shouldBe FakeLevel.LOW
+
+      json = "\"medium\""
+      level = moshi.fromJson<FakeLevel>(json)
+      level shouldBe FakeLevel.MEDIUM
+
+      json = "\"high\""
+      level = moshi.fromJson<FakeLevel>(json)
+      level shouldBe FakeLevel.HIGH
+
+      json = "\"other\""
+      level = moshi.fromJson<FakeLevel>(json)
+      level shouldBe FakeLevel.OTHER
+
+      json = "\"wrongValue\""
+      level = moshi.fromJson<FakeLevel>(json)
+      level shouldBe FakeLevel.OTHER
+   }
+}
+
+@JsonClass(generateAdapter = false)
+private enum class FakeLevel {
+   @Json(name = "low")
+   LOW,
+
+   @Json(name = "medium")
+   MEDIUM,
+
+   @Json(name = "high")
+   HIGH,
+
+   @Json(name = "other")
+   @JsonFallback
+   OTHER
+}